Propranolol is used to treat high blood pressure. It also is used to prevent angina (chest pain) and heart attacks. It works by relaxing your blood vessels so your heart doesn't have to pump as hard. Propranolol also is used to treat abnormal heart rhythms.
Propranolol is also used to prevent migraine headaches and tremors.
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
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